Leases - ROU Assets and Lease Liabilities (Details) $ in Millions	Dec. 28, 2019 USD ($)
Lease-Related Assets and Liabilities
Total right-of-use assets	$ 7,891
Total lease liabilities	8,459
Other non-current assets
Lease-Related Assets and Liabilities
Operating lease right-of-use assets	7,262
Property, plant and equipment, net
Lease-Related Assets and Liabilities
Finance lease right-of-use assets	629
Other current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, current	1,245
Finance lease liabilities, current	14
Other non-current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, non-current	6,573
Finance lease liabilities, non-current	$ 627